Marla, Penchant for Cautery

Whenever an opponent draws a card, Marla,
Penchant for Cautery deals 2 damage to that
player.
{u/b}{b/r}, {t}: Choose one —
• Counter target noncreature spell. You and that spells owner each draw a card and lose 1 life.
• Marla deals 3 damage to target creature. If a creature would die this way, it's controller
discards a card unless they pay 3 life.